Reintroduce plumbing for user gesture into permission system.

chrome/browser/permissions/permission_manager.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/permissions/permission_manager.h"
 
 #include <stddef.h>
 
 #include "base/callback.h"
 #include "base/memory/ptr_util.h"
@@ skipping 242 matching lines @@
 PermissionManager::~PermissionManager() {
   if (!subscriptions_.IsEmpty())
     HostContentSettingsMapFactory::GetForProfile(profile_)
         ->RemoveObserver(this);
 }
 
 int PermissionManager::RequestPermission(
     PermissionType permission,
     content::RenderFrameHost* render_frame_host,
     const GURL& requesting_origin,
+    bool user_gesture,
     const base::Callback<void(PermissionStatus)>& callback) {
   return RequestPermissions(
       std::vector<PermissionType>(1, permission),
       render_frame_host,
       requesting_origin,
+      user_gesture,
       base::Bind(&PermissionRequestResponseCallbackWrapper, callback));
 }
 
 int PermissionManager::RequestPermissions(
     const std::vector<PermissionType>& permissions,
     content::RenderFrameHost* render_frame_host,
     const GURL& requesting_origin,
+    bool user_gesture,
     const base::Callback<void(
         const std::vector<PermissionStatus>&)>& callback) {
   if (permissions.empty()) {
     callback.Run(std::vector<PermissionStatus>());
     return kNoPendingOperation;
   }
 
   content::WebContents* web_contents =
       content::WebContents::FromRenderFrameHost(render_frame_host);
   GURL embedding_origin = web_contents->GetLastCommittedURL().GetOrigin();
@@ skipping 12 matching lines @@
       // Track permission request usages even for constant permissions.
       PermissionUmaUtil::PermissionRequested(permission, requesting_origin,
                                              embedding_origin, profile_);
       OnPermissionsRequestResponseStatus(request_id, i,
           GetPermissionStatus(permission, requesting_origin, embedding_origin));
       continue;
     }
 
     PermissionContextBase* context = GetPermissionContext(permission);
     context->RequestPermission(
-        web_contents, request, requesting_origin,
+        web_contents, request, requesting_origin, user_gesture,
         base::Bind(&ContentSettingToPermissionStatusCallbackWrapper,
             base::Bind(&PermissionManager::OnPermissionsRequestResponseStatus,
                 weak_ptr_factory_.GetWeakPtr(), request_id, i)));
   }
 
   // The request might have been resolved already.
   if (!pending_requests_.Lookup(request_id))
     return kNoPendingOperation;
 
   return request_id;
@@ skipping 152 matching lines @@
     // Add the callback to |callbacks| which will be run after the loop to
     // prevent re-entrance issues.
     callbacks.push_back(
         base::Bind(subscription->callback,
                    ContentSettingToPermissionStatus(new_value)));
   }
 
   for (const auto& callback : callbacks)
     callback.Run();
 }